A novel double-rim forebaffle design for centimeter to sub-millimeter astrophysical observations
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866917096586215424 |
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| author | Delabrouille, Jacques Jeong, Oliver Piat, Michel Steier, Alexander |
| author_facet | Delabrouille, Jacques Jeong, Oliver Piat, Michel Steier, Alexander |
| contents | Stray radiation of various origin is a major source of degradation of centimeter to sub-millimeter astronomical observations. This is particularly problematic for the detection of signals such as faint cosmic microwave background polarization B modes, or for mapping large-scale extragalactic or Galactic diffuse emission. In this paper, we propose a double-rim forebaffle design to reduce the impact of such stray radiation contamination. Using qualitative arguments and numerical simulations, we show that such a design has the potential to substantially improve the quality of future observations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_16970 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A novel double-rim forebaffle design for centimeter to sub-millimeter astrophysical observations Delabrouille, Jacques Jeong, Oliver Piat, Michel Steier, Alexander Instrumentation and Methods for Astrophysics Stray radiation of various origin is a major source of degradation of centimeter to sub-millimeter astronomical observations. This is particularly problematic for the detection of signals such as faint cosmic microwave background polarization B modes, or for mapping large-scale extragalactic or Galactic diffuse emission. In this paper, we propose a double-rim forebaffle design to reduce the impact of such stray radiation contamination. Using qualitative arguments and numerical simulations, we show that such a design has the potential to substantially improve the quality of future observations. |
| title | A novel double-rim forebaffle design for centimeter to sub-millimeter astrophysical observations |
| topic | Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2511.16970 |